Delphi通用约束不支持通配符。因此，您可以管理的最接近参数涉及两个通用参数。该函数将如下所示：

Delphi generic constraints do not support wildcards. So the closest you can manage involves two generic parameters. The function would look like this:

function GetDataProvider<S; T: IStandardDataProvider<S>>(...): T;